Migrate Next.js to vinext vinext reimplements the Next.js API surface on Vite. Existing , , and work as-is — migration is a package swap, config generation, and ESM conversion. No changes to application code required. FIRST: Verify Next.js Project Confirm is in or in . If not found, STOP — this skill does not apply. Detect the package manager from the lockfile: | Lockfile | Manager | Install | Uninstall | | --------------------------- | ------- | ------------- | --------------- | | | pnpm | | | | | yarn | | | | / | bun | | | | or none | npm | | | Detect the router: if an directory exists at r…